Regular inspection and maintenance of commercial dishwashers are essential for ensuring efficient operation, extending the machine’s lifespan, and providing hygienic cleaning. Below are some recommended inspection and maintenance steps:
Clean Filters and Drainage System:
Remove and clean the filters to ensure that no food residues or debris clog them.
Check that the drain outlets are unobstructed to avoid water accumulation.
Inspect Nozzles and Spray Arms:
Check the nozzles for any blockages and ensure a smooth water flow.
Regularly dismantle the spray arms to remove any dirt or mineral deposits inside.
Clean the Interior and Seals:
Wipe the interior of the dishwasher with warm water and a neutral detergent to prevent the buildup of grease and dirt.
Inspect the door seals for cracks or damage, and replace them if necessary.
Replenish Detergent and Rinse Aid:
Ensure that detergents, rinse aids, and softeners (if used) are sufficiently stocked.
Deep Clean the Interior:
Use a professional dishwasher cleaner and run a high-temperature cleaning cycle to remove grease and mineral deposits.
Check Water Quality and Softening System:
Test the incoming water hardness to ensure that the water softening system is functioning correctly and that scale buildup does not affect the cleaning performance.
Inspect the Heating System:
Test the heating elements to ensure they maintain the proper water temperature (usually between 60°C and 90°C, according to equipment specifications).
Examine the Pump and Motor:
Listen for any abnormal sounds during operation and check whether the pump and motor are running smoothly.
Inspect Cables and Pipes:
Check electrical wires and water pipes for signs of aging, leakage, or other damages.
Lubricate Moving Parts:
Lubricate necessary moving components to ensure smooth operation.
Check the Equipment’s Sealing:
Ensure that the door and other joints are completely sealed to prevent water leaks.
Inspect the Control Panel and Sensors:
Verify that buttons, displays, and sensors are working properly, and promptly repair any error codes.
Professional Maintenance:
Contact professional technicians for a comprehensive inspection of the equipment, including the motor, heater, and electronic control components.
Use Appropriate Cleaners:
Avoid using cleaning agents that produce excessive foam or may damage the machine.
Maintain a Service Log:
Record the dates and details of each inspection and maintenance task to keep track of the equipment’s condition.
Follow Manufacturer Recommendations:
Refer to the equipment manual for specific maintenance advice and schedules.
Regular inspection and maintenance can reduce the occurrence of malfunctions, improve cleaning efficiency, and lower long-term operating costs.
